1920 Porter Full Collapsible Landaulet:

Specifications: Four-cylinder, 4.6 in. bore, 6 3/4 in. stroke. Overhead valves, four per cylinder. Right-hand drive. Horse power developed at 1000 R.P.M. is 50. Westinghouse Starting and Lighting System used. Wheel base 142". Chassis weight 2800 pounds.